Teknisk specifikation SIS-TS 44:2017

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1 Teknisk specifikation SIS-TS 44:2017 Publicerad/Published: Utgåva/Edition: 1 Språk/Language: engelska/english ICS: ; Utförande av stålkonstruktioner Korrosionsskydd genom målning Execution of steel structures Corrosion protection by protective paint systems

2 Standarder får världen att fungera SIS (Swedish Standards Institute) är en fristående ideell förening med medlemmar från både privat och offentlig sektor. Vi är en del av det europeiska och globala nätverk som utarbetar internationella standarder. Standarder är dokumenterad kunskap utvecklad av framstående aktörer inom industri, näringsliv och samhälle och befrämjar handel över gränser, bidrar till att processer och produkter blir säkrare samt effektiviserar din verksamhet. Delta och påverka Som medlem i SIS har du möjlighet att påverka framtida standarder inom ditt område på nationell, europeisk och global nivå. Du får samtidigt tillgång till tidig information om utvecklingen inom din bransch. Ta del av det färdiga arbetet Vi erbjuder våra kunder allt som rör standarder och deras tillämpning. Hos oss kan du köpa alla publikationer du behöver allt från enskilda standarder, tekniska rapporter och standardpaket till handböcker och onlinetjänster. Genom vår webbtjänst e-nav får du tillgång till ett lättnavigerat bibliotek där alla standarder som är aktuella för ditt företag finns tillgängliga. Standarder och handböcker är källor till kunskap. Vi säljer dem. Utveckla din kompetens och lyckas bättre i ditt arbete Hos SIS kan du gå öppna eller företagsinterna utbildningar kring innehåll och tillämpning av standarder. Genom vår närhet till den internationella utvecklingen och ISO får du rätt kunskap i rätt tid, direkt från källan. Med vår kunskap om standarders möjligheter hjälper vi våra kunder att skapa verklig nytta och lönsamhet i sina verksamheter. Vill du veta mer om SIS eller hur standarder kan effektivisera din verksamhet är du välkommen in på eller ta kontakt med oss på tel Standards make the world go round SIS (Swedish Standards Institute) is an independent non-profit organisation with members from both the private and public sectors. We are part of the European and global network that draws up international standards. Standards consist of documented knowledge developed by prominent actors within the industry, business world and society. They promote cross-border trade, they help to make processes and products safer and they streamline your organisation. Take part and have influence As a member of SIS you will have the possibility to participate in standardization activities on national, European and global level. The membership in SIS will give you the opportunity to influence future standards and gain access to early stage information about developments within your field. Get to know the finished work We offer our customers everything in connection with standards and their application. You can purchase all the publications you need from us - everything from individual standards, technical reports and standard packages through to manuals and online services. Our web service e-nav gives you access to an easy-to-navigate library where all standards that are relevant to your company are available. Standards and manuals are sources of knowledge. We sell them. Increase understanding and improve perception With SIS you can undergo either shared or in-house training in the content and application of standards. Thanks to our proximity to international development and ISO you receive the right knowledge at the right time, direct from the source. With our knowledge about the potential of standards, we assist our customers in creating tangible benefit and profitability in their organisations. If you want to know more about SIS, or how standards can streamline your organisation, please visit or contact us on phone +46 (0)

3 Denna tekniska specifikation är inte en svensk standard. This Technical Specification is not a Swedish Standard. Copyright/Upphovsrätten till denna produkt tillhör SIS, Swedish Standards Institute, Stockholm, Sverige. Användningen av denna produkt regleras av slutanvändarlicensen som återfinns i denna produkt, se standardens sista sidor. Copyright SIS, Swedish Standards Institute, Stockholm, Sweden. All rights reserved. The use of this product is governed by the end-user licence for this product. You will find the licence in the end of this document. Upplysningar om sakinnehållet i detta dokument lämnas av SIS, Swedish Standards Institute, telefon Standarder kan beställas hos SIS som även lämnar allmänna upplysningar om nationell och internationell standard. Information about the content of this document is available from the SIS, Swedish Standards Institute, telephone Standards may be ordered from SIS, who can also provide general information about national and international standards. Dokumentet är framtaget av kommittén för Förbehandling och rostskyddsmålning, SIS/TK 146. Har du synpunkter på innehållet i det här dokumentet, vill du delta i ett kommande revideringsarbete eller vara med och ta fram standarder inom området? Gå in på - där hittar du mer information.

4 Contents Page Introduction Scope Normative references Specified requirements Departures from this technical specification Expected service life of the corrosion protection Design considerations and pre-treatment Requirements on companies that perform surface preparation and protective painting Requirements on protective paint systems Documentation of protective paint system (CSDS) Surface preparation Protective paint systems Structure of corrosion protective paint systems Priming coat with cathodic protection Intermediate coat Testing protective paint systems Accelerated testing Extended testing (field exposure) Supplementation of field exposure Qualification Inspection plan Performance and inspection during protective painting Run-through at start-up Prior to surface preparation Blast cleaning, preparation grade and surface roughness after blast cleaning Inspection prior to application of priming coat Applying paint General Supplementary application by brush Special structural elements Welded joints produced on the construction site Shear connectors Bolted connections Embedded steel surfaces Reference surfaces Repair of damage in coats General Superficial damage Minor damage down to the steel surface Major damage down to the priming coat or the steel surface Annex A (normative) Coating System Data Sheet (CSDS) A.1 System description Annex B (normative) Extended testing by means of field exposure B.1 Field exposure B.2 Test panels B.3 Application of coatings on test panels B.4 Marking, inspection and miscellaneous B.5 Assessment after extended testing B.6 Test report B.7 Inspection certificate

5 Annex C (normative) Qualification requirements for personnel who perform protective painting C.1 Authorisation for chemical hazards in the working environment C.2 Operators who perform advanced protective painting C.3 Experience C.4 Training C.4.1 Alternative training C.5 Course content and work steps C.6 Standards and specifications Annex D (Informative) Test method for determining zinc content in priming coat D.1 Determination of zinc content Annex E (Informative) Example of inspection report Bibliography

6 Introduction One aim of this Technical Specification is to make it possible for selected and necessary information, which must be provided according to SS-EN , to be formulated concisely and uniformly, which is a help to all parties concerned. By citing SIS-TS 44 in a procurement, SIS-TS 44 becomes part of the object specification. To maintain an optimal service life and to minimise the costs for corrosion, corrosion protection and maintenance, it is important to make good long-term choices during the design of parts as well as to specify several measures to raise the quality, which are not specified as requirements in standards. Primarily, the motivation for the requirements given in this technical specification is to minimise in the long-term the total costs for execution, operation and maintenance over more than 40 years. During the planning and execution of steel structures according to SS-EN , the preparation of a list giving performance requirements and providing necessary additional information (in Sweden, usually in the form of a technical description prepared according to AMA Anläggning) is a requirement. This additional information includes requirements during execution, first and foremost, for materials, performance and inspection. SS-EN states that several standards, including the series of standards SS-EN ISO Paints and varnishes Corrosion protection of steel structures by protective paint systems, shall apply where these are relevant. The SS-EN ISO series of standards provides recommendations and describes minimum requirements that need to be set for steel structures that are protected against corrosion by protective paint systems. SS-EN ISO presumes that the standard series' requirements and recommendations are supplemented by an object specification. Many errors can arise during the planning and execution of steel structures that are to be protected against corrosion by protective paint systems. Small mistakes can have serious consequences because steel structures that have been taken into operation may need to be repainted after a very short time. The cost for repainting and maintenance painting is often considerably higher than that for the original painting, even minor touch-up painting can involve large start costs or downtime costs Longer service life and lower maintenance cost normally mean lower life-cycle cost, a better use of material resources, leading to lower emissions of greenhouse gases in the long-term, as well as a lower total environmental impact. When choosing between well proven and tested protective paint systems and new, more environmentally adapted, protective paint systems, for example water-based, it is important to obtain that the equivalent durability, as provided by the older and more tested protective paint systems, be obtained. That the same durability is obtained in conditions that are the same as those in the field shall be verified by the extended testing procedure described in clause

7 1 Scope This technical specification, SIS-TS 44, is an example of a specification for the performance of protective painting systems during the design and execution of steel structures with a specified technical service life exceeding 40 years, which are exposed to a corrosive environment, corrosivity category C3 - C5, or category Im1 - Im3, according to SS-EN ISO Clients have the possibility to refer to this technical specification, which contains necessary and relevant supplementary information that is required to attain the right level of quality for the object in the intended environment. This technical specification can also be used for steel structures with a shorter service life, if future maintenance is restricted or prevented due to continuous operation, or because rational maintenance painting cannot be carried out for any other reason. This technical specification treats requirements that optimise the durability of the protective paint system. This technical specification does not treat the requirements that are set in AMA Anläggning concerning the painting of hot dip galvanised steel surfaces. This technical specification clarifies and supplements the general requirements in the SS-EN ISO series that, from experience, have a large effect on the durability of the protective paint system. The choices that must be made within the framework of the SS-EN ISO series are given, likewise additional requirements and investigations. This includes such choices that, according to SS-EN ISO 12944, must be made during procurement and purchasing. 2 Normative references This clause refers to the following documents which are essential for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including all amendments) applies. ASTM D4285:2012, Standard Test Method for Indicating Oil or Water in Compressed Air NS-EN 476:2011, General requirements for components used in drains and sewers SS-EN :2008+A1:2011, Execution of steel structures and aluminium structures Part 2: Technical requirements for steel structure SS-EN ISO 14001:2015, Miljöledningssystem Krav och vägledning. Environmental management systems Requirements with guidance for use SS-EN ISO 2808:2007, Färg och lack Metoder för bestämning av skikttjocklek. Paints and varnishes Determination of film thickness SS-EN ISO 4624:2002, Färg och lack Bestämning av vidhäftning Dragprovning. Paints and varnishes Pulloff test for adhesion SS-EN ISO :2012, Färg och lack Bedömning av nedbrytning av beläggningar Beteckning för intensitet, mängd och storlek av fel Del 8: Bedömning av delaminering och korrosion vid repa. Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 8: Assessment of degree of delamination and corrosion around a scribe or other artificial defect. SS-EN ISO 5817:2014 Svetsning Smältsvetsförband i stål, nickel, titan och deras legeringar (strålsvetsning undantagen) Kvalitetsnivåer för diskontinuiteter och formavvikelser. Welding Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) Quality levels for imperfections 5

8 SS-EN ISO :2007, Behandling av stålytor före beläggning med färg och liknande produkter - Visuell utvärdering av ytrenhet Del 1: Rostgrader och förbehandlingsgrader för obelagt stål och för stål, från vars hela yta tidigare beläggning avlägsnats. Part 1. Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings. SS-EN ISO :2008, Behandling av stålytor före beläggning med färg och liknande produkter Visuell utvärdering av ytrenhet Del 3: Förbehandlingsgrader för svetsar, kanter och andra områden med defekter. Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 3: Assessment of degree of rusting (ISO :2016) SS-EN ISO :2007 Behandling av stålytor före beläggning med färg och liknande produkter - Visuell utvärdering av ytrenhet - Del 4: Yttillstånd före förbehandling samt förbehandlingsgrader och återrostningsgrader vid vattenblästring under högt tryck. Preparation of steel substrates before application of paints and related products Visual assessment of surface cleanliness Part 4: Initial surface conditions, preparation grades and flash rust grades in connection with high-pressure water jetting (ISO :2007) SS-EN ISO :2017, Behandling av stålytor innan påläggning av målarfärg och liknande produkter Provning för bedömning av ytrenhet Del 3: Bedömning av damm på stålytor färdiga för målning (tryckkänslig tejp). Preparation of steel substrates before application of paints and related products Tests for the assessment of surface cleanliness Part 3: Assessment of dust on steel surfaces prepared for painting (pressure-sensitive tape method) (ISO :2017) SS-EN ISO :2017, Behandling av stålytor innan påläggning av målarfärg och liknande produkter Provning för bedömning av ytrenhet Del 4: Handledning vid bedömning av sannolikheten for kondensation före målning. Preparation of steel substrates before application of paints and related products Tests for the assessment of surface cleanliness Part 4: Guidance on the estimation of the probability of condensation prior to paint application (ISO :2017) SS-EN ISO :2012, Behandling av stålytor före beläggning med färg, lack och liknande produkter - Karakterisering av ytråhet hos blästrade stålunderlag Del 2: Metod för klassning av ytprofil hos blästrat stål Komparatormetod. Preparation of steel substrates before application of paints and related products Surface roughness characteristics of blastcleaned steel substrates Part 2: Method for the grading of surface profile of abrasive blast-cleaned steel Comparator procedure (ISO :2012) SS-EN ISO 8504 Behandling av stålytor före beläggning med målningsfärg och liknande produkter Förbehandlingsmetoder. Preparation of steel substrates before application of paints and related products Surface preparation methods SS-EN ISO 9001:2015, Ledningssystem för kvalitet Krav. Quality management systems Requirements (ISO 9001:2015) SS-EN 9223:2012 Korrosion hos metaller och legeringar - Atmosfärers korrosivitet - Klassificering, bestämning och uppskattning. Corrosion of metals and alloys Corrosivity of atmospheres.-. Classification, determination and estimation. SS-EN ISO 11474:2014 Korrosion hos metaller och legeringar - Korrosionsprovning i artificiell atmosfär - Accelererad utomhusprovning genom intermittent besprutning med saltlösning (Scab-provning). Corrosion of metals and alloys - Corrosion tests in artificial atmosphere - Accelerated outdoor test by intermittent spraying of a salt solution (Scab test) SS-EN ISO , Färg och lack Korrosionsskydd av stålstrukturer genom målning Del 1: Allmän inledning. Paints and varnishes Corrosion protection of steel structures by protective paint systems Part 1: General introduction SS-EN ISO , Färg och lack Korrosionsskydd av stålstrukturer genom målning Del 2: Miljöklassificering. Paints and varnishes Corrosion protection of steel structures by protective paint systems Part 2: Classification of environments (ISO :2017) 6

9 SS-EN ISO , Färg och lack Korrosionsskydd av stålstrukturer genom målning Del 3: Konstruktionsutformning. Paints and varnishes Corrosion protection of steel structures by protective paint systems Part 3: Design considerations (ISO :2017) ISO :2017, Färg och lack Korrosionsskydd av stålkonstruktioner genom målning Del 4: Typer av ytor och förbehandling. Paints and varnishes Corrosion protection of steel structures by protective paint systems Part 4: Types of surface and surface preparation SS-EN ISO , Färg och lack - Korrosionsskydd av stålstrukturer genom målning Del 5: Färgsystem. Paints and varnishes Corrosion protection of steel structures by protective paint systems Part 5: Protective paint systems SS-EN ISO , Färg och lack Korrosionsskydd av stålstrukturer genom målning Del 6: Metoder för laboratorieprovning. Paints and varnishes Corrosion protection of steel structures by protective paint systems Part 6: Laboratory performance test methods SS-EN ISO , Färg och lack Korrosionsskydd av stålstrukturer genom målning Del 7: Utförande och övervakning av målning. Paints and varnishes Corrosion protection of steel structures by protective paint systems Part 7: Execution and supervision of paint work SS-EN ISO Färg och lack Rostskyddssystem och metoder för utförande och laboratorieprovning på offshore och tillhörande konstruktioner. Paints and varnishes Corrosion protection of steel structures by protective paint systems Part 9: Protective paint systems and laboratory performance test methods for offshore and related structures SS-EN ISO/IEC 17011:2005, Bedömning av överensstämmelse Allmänna krav på ackrediteringsorgan som ackrediterar organ för bedömning av överensstämmelse. Conformity assessment General requirements for accreditation bodies accrediting conformity assessment bodies SS-ISO 19840: 2012, Färg och lack Korrosionsskydd av stålkonstruktioner genom målning Mätning av och acceptanskriterier för tjocklek hos torr beläggning på rå yta. Paints and varnishes Corrosion protection of steel structures by protective paint systems Measurement of, and acceptance criteria for, the thickness of dry films on rough surfaces. SS-ISO 20340:2009 Färg och lack - Krav på rostskyddande färgsystem för havsplacerade konstruktioner och konstruktioner med liknande påkänning (this standard is replaced by SS-EN ) SS-EN 29601:2011 Färg och lack - Korrosionsskydd av stålkonstruktioner genom målning - Utvärdering av porositet i torrt färgskikt. Paints and varnishes Corrosion protection by protective paint systems Assessment of porosity in a dry film 3 Specified requirements 3.1 Departures from this technical specification Departures or additions to this Technical Specification shall be specified clearly in the tender documentation. 3.2 Expected service life of the corrosion protection Atmospheric-corrosivity category / category for water and soil and specified technical service life for the design shall be given. The expected service life for the corrosion protection in the case of painting shall be high or very high (H or VH) according to SS-EN ISO Design considerations and pre-treatment During planning and the preparation of drawings for steel structures, the design shall be adapted to the specified atmospheric-corrosivity category /category for water or soil. 7

10 For steel surfaces and steel parts that will be exposed to corrosive environments, equivalent to categories C3 - C5 for atmosphere, or the categories Im1 - Im3 for water and soil, the following applies: Design features according to Annex A, B and C SS-EN ISO shall be followed. Best examples of design features according to D1 and D2 Annex D SS-EN ISO shall be followed. Steel substrates, which will be protected against corrosion by painting shall meet preparation grade P3, according to SS-EN ISO prior to surface preparation according to SS-EN ISO Steel substrates, which will be protected against corrosion by painting shall comply with rust grade A or B, according to SS-EN ISO :2007 prior to surface preparation according to SS-EN ISO Prior to painting, steel substrates shall comply with Sa2½ according to SS-EN ISO and surface roughness Medium Grit, according to S-EN ISO How the steel material is to be protected during the project's execution phase, shall be planned as early as during the project's planning phase. If a shop priming coat is used temporarily, this shall be applied as soon as possible and before any long transports. Prior to transport to any surface treatment company, Preparation Grade P3 shall be checked, because these companies usually do not have the equipment needed to performing steel machining effectively to attain P3. After welding, welds shall be prepared to meet the requirements for P3 according to SS-EN ISO This means that inspection to ensure preparation grade P3 shall be performed several times during execution, see clause 8 and It is recommended that this inspection is always done at the same time as inspection of the weld's quality level according to SS-EN ISO The weld inspector should have the knowledge and mandate to perform both inspections simultaneously. Protective painting shall be performed in a painting station, apart from painting of surfaces next to welds executed at the construction site and application of the final coat, which may be applied at the construction site. 3.4 Requirements on companies that perform surface preparation and protective painting Qualification requirements on companies that will perform surface preparation according to SS-EN ISO 8501, or protective painting, are that they shall hold their own quality and environmental management systems and quality certification according to SS-EN ISO 9001: and environmental certification according to SS-EN ISO Qualification requirements for personnel who perform and inspect advanced protective painting, including surface preparation, are given in clause Requirements on protective paint systems The structure of the protective paint system is given in clause 5 and requirements for the protective paint system's testing are given in clause Documentation of protective paint system (CSDS) The protective paint system to be used shall be described by a coating system data sheet, see Annex A. NOTE: The coating manufacturer's system description corresponds to the Coating System Data Sheet, CSDS, in the Norwegian standard, NORSOK M

11 4 Surface preparations Requirements for surface preparation, are given in clauses 3.3, 3.4, 8 and 9. 5 Protective paint systems 5.1 Structure of corrosion protective paint systems The protective paint systems according to Table 1 shall be used. Paint designations for the paint types EP, PUR and AY are 2-component products according to SS-EN ISO For sunlit surfaces, binders, colour and pigmentation of the top coat shall be selected to ensure that the colour is stable, the chalking is limited, and UV light does not penetrate into the paint layer. Each specified coat and stripe coat shall be differentiated by a contrasting colour. Prior to spray application, the protective paint system shall to be supplemented by application with a brush, see clause Table 1 Protective paint system according to SIS-TS 44 Corros ivity Name of the protective paint system Priming coat Coats included Intermediate coat Topcoat Total number of coats and minimum total film thickness C3 TS44-RS1 a 1 x 60 µm a EP(Zn) b 1 x EP c 1 x 50 µm AY d 3 coats min 200 µm C4 TS44-RS2 a 1 x 60 µm a EP(Zn) b 1 x EP c 2 x 50 µm PUR d 4 coats, min 240 µm C5 TS44-RS3 a 1 x 60 µm a EP(Zn) b 2 x EP c 2 x 50 µm PUR d 5 coats, min 320 µm Im1-Im3 TS44-RS4 f 1 x µm EP e - 2 x EP 3 coats min 600 µm Note Paint designations AY, EP, EP(Zn), PUR, are according to SS-EN ISO a. Protective paint systems that have been tested with 40 µm priming coat can be used with 40 µm nominal coat thickness on priming coat. If 40 µm priming coat is used, the intermediate coat is increased by 20 µm b. The zinc rich epoxy priming coat shall contain 90 % zinc in the dry film, see clause 5.2 c. Intermediate coats shall be pigmented with micaceous iron oxide, see clause 5.3 d. Binders in topcoats shall be either acrylic with polyurethane (PUR), polysiloxane or contain fluorine so that the durability will be at least as good as for acrylate/pur. On surfaces that are not exposed to daylight, epoxy paint can be used as topcoat e. For the first coat, epoxy pigmented with micaceous iron oxide with prolonged interval for overpainting over can be used f. The protective paint systemts44-rs4 can also be used on steel surfaces above water not exposed to daylight 5.2 Priming coat with cathodic protection EP(Zn), electrically conductive primer with high concentration of metallic zinc. Priming coat with cathodic protection shall be applied by spraying. The zinc concentration in the dry film's weight shall be at least 90%. 9